Short Description:
Clay (Green) sand casting production line—Automatic molding & Pouring
1. Summary:
- Automatic Clay (green) sand molding pouring line is an advanced manufacturing system used in foundries to produce cast metal parts.
- The process utilizes green sand, which is a mixture of sand, clay, water, and other additives, to create sand molds for metal casting.
2. Components:
- Sand Preparation and Mixing System:
Sand Mixer: This machine mixes sand; clay; water; and other additives to produce green sand. The mixture must have the right consistency and properties for mold making.
Sand Conditioner: Ensures the sand has the correct moisture content and other properties before it is used in the molding process.
Automatic Molding Machine: This equipment automatically compacts the green sand around a pattern to form the mold. The pattern can be made of metal, wood, or other materials and is typically mounted on a molding board or plate.
Pattern Removal: After the sand mold is formed, the pattern is carefully removed, leaving a cavity in the shape of the desired cast part.
- Core Making and Insertion (if needed):
Core Making: For complex shapes, cores made from sand and binders are created and inserted into the mold cavity to form internal passages or features.
Core Setting: These cores are placed into the mold before the two halves of the mold are closed.
Mold Closing: The mold halves (cope and drag) are assembled together. If there are any cores, they are positioned properly within the mold cavity.
Molten Metal Pouring: Molten metal is poured into the mold cavity through a gating system. This is often automated in an automatic line to ensure precise and consistent pouring.
Pouring Machine: An automatic pouring machine can be used to control the flow rate and amount of molten metal poured into each mold.
- Cooling and Solidification:
Cooling Line: The filled molds are allowed to cool and solidify as they move along a conveyor system. Cooling times vary depending on the type of metal and the size of the casting.
- Shakeout and Sand Reclamation:
Shakeout System: After the metal has solidified, the sand mold is broken apart (shaken out) to release the cast part.
Sand Reclamation: The used sand is processed to remove impurities and prepare it for reuse in the molding process.
Cleaning: The cast parts are cleaned to remove any residual sand and surface imperfections.
Inspection: Parts are inspected for quality and accuracy.
3. Advantages:
- Increased Efficiency: Automation reduces the cycle time for each mold, increasing the production rate.
- Consistency and Precision: Automated systems ensure consistent mold quality and precise control over the pouring process, resulting in higher quality castings.
- Labor Savings: Automation reduces the need for manual labor, lowering labor costs and reducing human error.
- Flexibility: Modern systems can be quickly reconfigured for different casting designs and sizes.
- Improved Working Conditions: Automation minimizes the exposure of workers to high temperatures and other hazardous conditions associated with foundry work.
4. Applications:
- Automatic green sand molding pouring lines are widely used in the automotive industry, machinery manufacturing, and for producing various metal parts such as engine blocks, cylinder heads, and various other complex castings.
In summary, an automatic green sand molding pouring line integrates advanced machinery and automation to streamline the process of creating high-quality metal castings efficiently and consistently.
Steven Wang
+86-18661870735
Qingdao Binhai Jincheng Foundry Machinery Co., Ltd.,
